libmenu/menu_chapsel.c

   1 /*
   2  * Support chapter list and selection.
   3  *
   4  * Copyright (C) 2006-2007 Benjamin Zores <ben A geexbox P org>
   5  * Copyright (C) 2007 Ulion <ulion A gmail P com>
   6  *
   7  * This file is part of MPlayer.
   8  *
   9  * MPlayer is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * MPlayer is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27
  28 #include "config.h"
  29
  30 #include "talloc.h"
  31 #include "m_struct.h"
  32 #include "m_option.h"
  33 #include "input/input.h"
  34
  35 #include "stream/stream.h"
  36 #include "libmpdemux/demuxer.h"
  37 #include "access_mpcontext.h"
  38
  39 #include "libmpcodecs/mp_image.h"
  40
  41 #include "menu.h"
  42 #include "menu_list.h"
  43
  44 struct list_entry_s {
  45   struct list_entry p;
  46   int cid;
  47 };
  48
  49 struct menu_priv_s {
  50   menu_list_priv_t p;
  51   char* title;
  52   int auto_close;
  53   char* fmt_with_time;
  54 };
  55
  56 static struct menu_priv_s cfg_dflt = {
  57   MENU_LIST_PRIV_DFLT,
  58   "Select chapter",
  59   0,
  60   "${chapter_name}  [${start}]"
  61 };
  62
  63 #define ST_OFF(m) M_ST_OFF(struct menu_priv_s,m)
  64
  65 static const m_option_t cfg_fields[] = {
  66   MENU_LIST_PRIV_FIELDS,
  67   { "title", ST_OFF (title),  CONF_TYPE_STRING, 0, 0, 0, NULL },
  68   { "auto-close", ST_OFF (auto_close), CONF_TYPE_FLAG, 0, 0, 1, NULL },
  69   { "fmt-with-time", ST_OFF (fmt_with_time),  CONF_TYPE_STRING, 0, 0, 0, NULL },
  70   { NULL, NULL, NULL, 0, 0, 0, NULL }
  71 };
  72
  73 static char *fmt_replace(const char *fmt, const char *chapter_name,
  74                          const char *start) {
  75     static const char ctag[] = "${chapter_name}";
  76     static const char stag[] = "${start}";
  77     int l = strlen(fmt);
  78     int cl = strlen(chapter_name);
  79     int sl = strlen(start);
  80     char *str = malloc(l + cl + sl);
  81     char *p;
  82     strcpy(str, fmt);
  83     p = strstr(str, ctag);
  84     if (p) {
  85         memmove(p+cl, p+sizeof(ctag)-1, str+l+1 - (p+sizeof(ctag)-1));
  86         memcpy(p, chapter_name, cl);
  87         l -= sizeof(ctag) + 1;
  88         l += cl;
  89     }
  90     p = strstr(str, stag);
  91     if (p) {
  92         memmove(p+sl, p+sizeof(stag)-1, str+l+1 - (p+sizeof(stag)-1));
  93         memcpy(p, start, sl);
  94         l -= sizeof(stag) + 1;
  95         l += sl;
  96     }
  97     return str;
  98 }
  99
 100 static int fill_menu (menu_t* menu)
 101 {
 102   list_entry_t* e;
 103   int cid, chapter_num = 0;
 104   int start_time;
 105   demuxer_t* demuxer = mpctx_get_demuxer(menu->ctx);
 106
 107   if (demuxer)
 108     chapter_num = demuxer_chapter_count(demuxer);
 109   if (chapter_num > 0) {
 110     menu_list_init (menu);
 111     for (cid = 0; cid < chapter_num; ++cid)
 112       if ((e = calloc (1, sizeof (list_entry_t))) != NULL) {
 113         e->cid = cid + 1;
 114         e->p.next = NULL;
 115         char *str = demuxer_chapter_display_name(demuxer, cid);
 116         e->p.txt = strdup(str);
 117         talloc_free(str);
 118         start_time = demuxer_chapter_time(demuxer, cid, NULL);
 119         if (start_time >= 0) {
 120             char timestr[13];
 121             char *tmp;
 122             int hour = start_time / 3600;
 123             int minute = (start_time / 60) % 60;
 124             int seconds = start_time % 60;
 125             sprintf(timestr,"%02d:%02d:%02d", hour, minute, seconds);
 126
 127             tmp = fmt_replace(menu->priv->fmt_with_time, e->p.txt, timestr);
 128             free(e->p.txt);
 129             e->p.txt = tmp;
 130         }
 131         menu_list_add_entry(menu, e);
 132       }
 133   }
 134   else
 135     menu_list_read_cmd(menu, MENU_CMD_CANCEL);
 136
 137   return 1;
 138 }
 139
 140 static void read_cmd (menu_t* menu, int cmd)
 141 {
 142   switch (cmd) {
 143     case MENU_CMD_RIGHT:
 144     case MENU_CMD_OK: {
 145       char cmdbuf[26];
 146       sprintf(cmdbuf, "seek_chapter %d 1", menu->priv->p.current->cid);
 147       mp_input_queue_cmd(menu->input_ctx, mp_input_parse_cmd(cmdbuf));
 148       if (menu->priv->auto_close)
 149           mp_input_queue_cmd(menu->input_ctx, mp_input_parse_cmd("menu hide"));
 150       break;
 151     }
 152     default:
 153       menu_list_read_cmd (menu, cmd);
 154   }
 155 }
 156
 157 static void close_cs (menu_t* menu)
 158 {
 159   menu_list_uninit (menu, NULL);
 160 }
 161
 162 static int open_cs (menu_t* menu, char* args)
 163 {
 164   args = NULL;
 165
 166   menu->draw = menu_list_draw;
 167   menu->read_cmd = read_cmd;
 168   menu->close = close_cs;
 169   menu->priv->p.title = menu->priv->title;
 170
 171   return fill_menu (menu);
 172 }
 173
 174 const menu_info_t menu_info_chapsel = {
 175   "Chapter selector menu",
 176   "chapsel",
 177   "Benjamin Zores & Ulion",
 178   "",
 179   {
 180     "chapsel_cfg",
 181     sizeof(struct menu_priv_s),
 182     &cfg_dflt,
 183     cfg_fields
 184   },
 185   open_cs
 186 };